Agile project management is a type of work breakdown structure $($WBS$).$

Question $31$ options:

A$)$

TRUE

B$)$

FALSE

Question $32(1$ point$)$

The tracking signal is the:

Question $32$ options:

A$)$

standard error of the estimate.

B$)$

absolute deviation of the last period's forecast.

C$)$

MAD.

D$)$

ratio of cumulative error $/$ MAD.

E$)$

MAPE.

Question $33(1$ point$)$

Which of the following is not present in a time series?

Question $33$ options:

A$)$

seasonality

B$)$

trend

C$)$

operational variations

D$)$

cycles

E$)$

random variations

Question $34(1$ point$)$

What is a global network of organizations and activities that supply a firm with goods and services?

Question $34$ options:

A$)$

supply tree

B$)$

provider network

C$)$

supply chain

D$)$

vendor network

E$)$

vendor tree

Question $35(1$ point$)$

The World Trade Organization has helped to significantly reduce tariffs around the world.

Question $35$ options:

A$)$

TRUE

B$)$

FALSE

Question $36(1$ point$)$

Reasons to study operations management include:

Question $36$ options:

A$)$

studying how people organize themselves for productive enterprise.

B$)$

knowing how goods and services are consumed.

C$)$

understanding what human resource managers do$.$

D$)$

learning about a costly part of the enterprise.

E$)$

A and D

Question $37(1$ point$)$

What are the five elements in the management process?

Question $37$ options:

A$)$

plan, organize, staff, lead, and control

B$)$

plan, direct, update, lead, and supervise

C$)$

organize, plan, control, staff, and manage

D$)$

plan, organize, staff, lead, and control

E$)$

plan, lead, organize, manage, and control

Question $38(1$ point$)$

The main difference between PERT and CPM is that:

Question $38$ options:

A$)$

PERT is more accurate than CPM$.$

B$)$

PERT assumes that activity durations are known.

C$)$

PERT ignores activity costs.

D$)$

CPM assumes activity durations can vary.

E$)$

PERT employs three time estimates for each activity.

Question $39(1$ point$)$

Which of the following statements regarding critical paths is true?

Question $39$ options:

A$)$

The shortest of all paths through the network is the critical path

B$)$

Some activities on the critical path may have slack.

C$)$

On a specific project, there can be multiple critical paths, all with exactly the same duration.

D$)$

The duration of the critical path is the average duration of all paths in the project network.

Question $40(1$ point$)$

Seasonal indices adjust raw data for patterns that repeat at regular time intervals.

Question $40$ options:

A$)$

TRUE

B$)$

FALSE